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* Adds Makefile test to ensure all subheadings, except those on Choose Your Wallet, have an ID (anchor reference) * Adds an ID to all subheads that didn't have on previously
41 lines
1.6 KiB
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41 lines
1.6 KiB
HTML
---
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title: "11/12 March 2013 Chain Fork Information"
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alias: "chainfork"
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active: false
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banner: ""
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---
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<h2 id="what-happened">What happened</h2>
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<p>
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A bitcoin miner running version 0.8.0 created a large block (at height 225,430) that is incompatible
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with earlier versions of Bitcoin.
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</p>
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<p>
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The result was a block chain fork, with miners, merchants and users running the new version of bitcoin
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accepting, and building on, that block, and miners, merchants and users running older versions of bitcoin
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rejecting it and creating their own block chain.
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</p>
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<h2 id="what-is-being-done">What is being done</h2>
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<p>
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Large mining pools running version 0.8.0 were asked to switch back to version 0.7, to create a
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single block chain compatible with all bitcoin software.
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</p>
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<h2 id="questions-and-answers">Questions & Answers</h2>
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<h3 id="what-should-i-do">I'm not a miner or a merchant, what should I do?</h3>
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<p>
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Nothing. Your bitcoin software will switch to the correct chain automatically, no matter
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which version you are running.
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</p>
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<h3 id="are-my-bitcoins-safe">Are my bitcoins safe?</h3>
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<p>
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Yes.
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</p>
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<h2 id="what-will-be-done">What will be done</h2>
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<p>
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The core developers have investigated what caused the old versions to reject the new
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blocks, and have released a 0.8.1 version that avoids creating blocks that are incompatible with
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older versions. <a href="https://en.bitcoin.it/wiki/BIP_50">A full post-mortem document has been published</a>.
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</p>
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<div style="text-align:right">
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<i>This notice last updated: Thu, 16 May 2013 01:37:00 UTC</i>
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</div>
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